MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42081326f379275d4b731f76f2d932cd72cd2c404ed654ee281b66b08e59f6f7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 42081326f379275d4b731f76f2d932cd72cd2c404ed654ee281b66b08e59f6f7
SHA3-384 hash: 14bf47ade6d66c70df3bdd43a04746b1e432801292431dc747bd036793e3f7a7930728fe0faeb1fce3aa2d8fb37da7e2
SHA1 hash: 562c241a3388df126c790eaf06e14313ecc973c2
MD5 hash: 7de79b47a6a9818fa2b464b63c0e09d9
humanhash: mobile-maryland-washington-diet
File name:DHL Shipment Notification.PDF.exe
Download: download sample
Signature Formbook
File size:871'998 bytes
First seen:2021-08-02 13:04:15 UTC
Last seen:2021-08-07 09:36:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 457e32d3dd9c9bc4442beae8353acab7 (6 x Formbook, 4 x AgentTesla, 1 x RemcosRAT)
ssdeep 12288:BKiNJZ4sLuVXow/eqA+1ky4U95x8l+8Vys0CbQeO:ci/ZhLuh2qABy4mZ8iMy
Threatray 7'170 similar samples on MalwareBazaar
TLSH T1B705F910B6EDA82AF03379F95FEED278E259BEF0531FC29F11A5280B05A5D8117126F1
dhash icon 00d4d4d4ba8ad000 (1 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL Shipment Notification.PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-08-02 13:06:49 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 457933 Sample: DHL Shipment Notification.PDF.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 34 www.hibiskurpiest.site 2->34 36 hibiskurpiest.site 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 8 other signatures 2->46 11 DHL Shipment Notification.PDF.exe 2->11         started        signatures3 process4 signatures5 54 Maps a DLL or memory area into another process 11->54 14 DHL Shipment Notification.PDF.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.onefitearth.com 154.89.233.178, 49766, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->28 30 torontomassage.club 132.148.226.40, 49767, 80 GO-DADDY-COM-LLCUS United States 17->30 32 10 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Spyware.Wacapew
Status:
Malicious
First seen:
2021-08-02 12:51:58 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
16 of 27 (59.26%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.sutsci.com/d8ak/
Unpacked files
SH256 hash:
42081326f379275d4b731f76f2d932cd72cd2c404ed654ee281b66b08e59f6f7
MD5 hash:
7de79b47a6a9818fa2b464b63c0e09d9
SHA1 hash:
562c241a3388df126c790eaf06e14313ecc973c2
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments